Subversion Repositories planix.SVN

typedef struct Conf	Conf;

typedef struct Confmem	Confmem;

typedef struct FPsave	FPsave;

typedef struct ISAConf	ISAConf;

typedef struct Imap	Imap;

typedef struct Label	Label;

typedef struct Lock	Lock;

typedef struct Mach	Mach;

typedef struct Notsave	Notsave;

typedef struct PCArch	PCArch;

typedef struct PMMU	PMMU;

typedef struct Page	Page;

typedef struct Pcidev	Pcidev;

typedef struct Proc	Proc;

typedef struct Sys	Sys;

typedef vlong		Tval;

typedef struct Ureg	Ureg;

typedef struct Vctl	Vctl;

#pragma incomplete Ureg

#pragma incomplete Imap

#pragma incomplete Mach

#define MAXSYSARG	5	/* for mount(fd, mpt, flag, arg, srv) */

/*

 *  parameters for sysproc.c

 */

#define AOUT_MAGIC	Q_MAGIC

/*

 *  machine dependent definitions used by ../port/dat.h

 */

struct Lock

{

	ulong	key;			/* semaphore (non-zero = locked) */

	ulong	sr;

	ulong	pc;

	Proc	*p;

	Mach	*m;

	ulong	pid;

	ushort	isilock;

};

struct Label

{

	ulong	sp;

	ulong	pc;

};

/*

 * Proc.fpstate

 */

enum

{

	/* Floating point states */

	FPinit = 0,

	FPactive = 1,

	FPinactive = 2,

	/* Bit that's or-ed in during note handling (FP is illegal in note handlers) */

	FPillegal = 0x100,

};

/*

 * This structure must agree with fpsave and fprestore asm routines

 */

struct FPsave

{

	double	fpreg[32];

	union {

		double	fpscrd;

		struct {

			ulong	pad;

			ulong	fpscr;

		};

	};

};

struct Confmem

{

	ulong	base;

	ulong	npage;

	ulong	kbase;

	ulong	klimit;

};

struct Conf

{

	ulong	nmach;		/* processors */

	ulong	nproc;		/* processes */

	Confmem	mem[2];

	ulong	npage0;		/* total physical pages of memory */

	ulong	npage1;		/* total physical pages of memory */

	ulong	npage;		/* total physical pages of memory */

	ulong	base0;		/* base of bank 0 */

	ulong	base1;		/* base of bank 1 */

	ulong	upages;		/* user page pool */

	ulong	nimage;		/* number of page cache image headers */

	ulong	nswap;		/* number of swap pages */

	int	nswppo;		/* max # of pageouts per segment pass */

	ulong	copymode;	/* 0 is copy on write, 1 is copy on reference */

	int	monitor;	/* has display? */

	ulong	ialloc;		/* bytes available for interrupt time allocation */

	ulong	pipeqsize;	/* size in bytes of pipe queues */

};

/*

 *  mmu goo in the Proc structure

 */

#define NCOLOR 1

struct PMMU

{

	int	mmupid;

	Ureg	*mmureg;		/* pointer to ureg structure */

};

/*

 *  things saved in the Proc structure during a notify

 */

struct Notsave

{

	ulong	UNUSED;

};

#include "../port/portdat.h"

/*

 *  machine dependent definitions not used by ../port/dat.h

 */

/*

 * Fake kmap

 */

typedef	void		KMap;

#define	VA(k)		((ulong)(k))

#define	kmap(p)		(KMap*)((p)->pa|KZERO)

#define	kunmap(k)

struct IMM;

typedef struct IMM IMM;

struct Mach

{

	/* OFFSETS OF THE FOLLOWING KNOWN BY l.s */

/*0x00*/	int	machno;	/* physical id of processor */

/*0x04*/	ulong	splpc;	/* pc that called splhi() */

/*0x08*/	Proc	*proc;	/* current process on this processor */

	/* Debugging/statistics for software TLB in l.s (therefore, also known by l.s) */

/*0x0c*/	ulong	tlbfault;	/* type of last miss */

/*0x10*/	ulong	imiss;	/* number of instruction misses */

/*0x14*/	ulong	dmiss;	/* number of data misses */

	/* ordering from here on irrelevant */

	Imap*	imap;

#ifndef ucuconf

	IMM*	immr;

#endif

	ulong	ticks;		/* of the clock since boot time */

	Label	sched;		/* scheduler wakeup */

	Lock	alarmlock;	/* access to alarm list */

	void	*alarm;		/* alarms bound to this clock */

	int	inclockintr;

	int	cputype;

	ulong	loopconst;

	Perf	perf;		/* performance counters */

	Proc*	readied;	/* for runproc */

	ulong	schedticks;	/* next forced context switch */

	ulong	clkin;		/* basic clock frequency */

	ulong	vco_out;

	vlong	cpuhz;

	uvlong	cyclefreq;	/* Frequency of user readable cycle counter */

	ulong	bushz;

	ulong	dechz;

	ulong	tbhz;

	ulong	cpmhz;		/* communications processor module frequency */

	ulong	brghz;		/* baud rate generator frequency */

	ulong	pcclast;

	uvlong	fastclock;

	int	tlbpurge;	/* # of tlb purges */

	int	pfault;		/* # of page faults */

	int	cs;

	int	syscall;

	int	load;

	int	intr;

	int	flushmmu;	/* make current proc flush it's mmu state */

	int	ilockdepth;

	ulong	ptabbase;	/* start of page table in kernel virtual space */

	int	slotgen;	/* next pte (byte offset) when pteg is full */

	int	mmupid;		/* next mmu pid to use */

	int	sweepcolor;

	int	trigcolor;

	Rendez	sweepr;

	ulong	spuriousintr;

	int	lastintr;

	/* MUST BE LAST */

	int	stack[1];

};

struct

{

	Lock;

	short	machs;

	short	exiting;

	short	ispanic;

}active;

/*

 *  a parsed plan9.ini line

 */

#define NISAOPT		8

struct ISAConf {

	char	*type;

	ulong	port;

	int	irq;

	ulong	dma;

	ulong	mem;

	ulong	size;

	ulong	freq;

	int	nopt;

	char	*opt[NISAOPT];

};

struct Vctl {

	Vctl*	next;		/* handlers on this vector */

	char	name[KNAMELEN];	/* of driver */

	int	isintr;		/* interrupt or fault/trap */

	int	irq;

	void	(*f)(Ureg*, void*);	/* handler to call */

	void*	a;		/* argument to call it with */

};

extern Mach mach0;

extern register Mach *m;

extern register Proc *up;

extern FPsave initfp;